Não informado. (2018). Report of the U.S. National Committee for the International Biological Program. National Academy of Sciences.
Lua i Stíl Chicago (17ú heag.)Não informado. Report of the U.S. National Committee for the International Biological Program. Washington: National Academy of Sciences, 2018.
Lua MLA (8ú heag.)Não informado. Report of the U.S. National Committee for the International Biological Program. National Academy of Sciences, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.